Let n = -159 - -164. Solve 0 + n = -h for h.

Suppose 5*d + 5*h - 60 = -0*d, 5*h = -3*d + 28. Suppose -d = -5*n + n. Let s = -1 + n. Solve -s = -2*a - a for a.

1

Suppose -2*x + 8 = -o, 0 = -2*o + 5*o - 5*x + 19. Solve 6*c - o*c = 0 for c.

0

Let a be ²²⁄₃₃ + (-2)/3. Solve -4*u + u = a for u.

0

Let j = 24 + -20. Solve 8 = 4*l - j for l.

3

Suppose 35 = k + 3*k + 5*f, 7 = 2*k - f. Solve 5 = -k*u - 20 for u.

-5

Let b be ((-15)/20)/((-2)/(-16)). Let u = b + 8. Solve -n + 2 + u = 0 for n.

4

Suppose 0 = 4*z - 8 - 0. Let c(f) be the second derivative of f⁵⁄₂₀ - f⁴⁄₄ + f**³⁄₃ - f. Let k be c(2). Solve -z*y + 4*y = k for y.

0

Let u(d) = d**2 + d - 4. Let y be u(4). Solve y = -4*x - 4 for x.

-5

Suppose 5*n = v - 10, 3*v - 5*v = -5*n - 5. Let h = v + 6. Suppose -3*w - h = -7. Solve 5 = w*z - z for z.

5

Suppose -123 = -3*f - 30. Suppose 3*r - 4 - f = 5*p, -3*p = 2*r - 55. Solve -b - r = -6*b for b.

4